A University of Chicago physicist has laid out an innovative method – using the Higgs boson – for stalking dark matter. He said the Higgs might actually be “a portal to the dark world.”

If you were born in May, your birthstone is the emerald, a type of beryl colored green by chromium. Perfect emeralds are among the rarest of gemstones.

A recent study of pigs’ brains suggested some activity could be restored even after they’d been dead 4 hours, reinforcing the idea that death is a process. A neuroscientist explains.

When you look in a mirror, the face you see is the result of millions of years of human evolution. Here’s an interview with an expert discussing how and why our modern human faces evolved to look as they do today.

Easter is this Sunday. Astronomer Guy Ottewell explains why it’s a late Easter, but not the latest it can be.